3121412340 has 96 divisors (see below), whose sum is σ = 9600030720. Its totient is φ = 754275456.

The previous prime is 3121412339. The next prime is 3121412341. The reversal of 3121412340 is 432141213.

It is an interprime number because it is at equal distance from previous prime (3121412339) and next prime (3121412341).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121412341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33304 + ... + 85743.

It is an arithmetic number, because the mean of its divisors is an integer number (100000320).

Almost surely, 2^3121412340 is an apocalyptic number.

3121412340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3121412340 is an abundant number, since it is smaller than the sum of its proper divisors (6478618380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121412340 is a wasteful number, since it uses less digits than its factorization.

3121412340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119101 (or 119099 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3121412340 is about 55869.6012156879. The cubic root of 3121412340 is about 1461.4491678510.

Adding to 3121412340 its reverse (432141213), we get a palindrome (3553553553).

The spelling of 3121412340 in words is "three billion, one hundred twenty-one million, four hundred twelve thousand, three hundred forty".